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Chemistry

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a chemist discovered an ore and analyzed its composition to contain 2% iron, 5% phosphor, and 93% sodium. What is the correct formula?

  • Chemistry - ,

    I assume you mean phosphorus. Take a 100 g sample.
    2 g Fe.
    5 g P

    Convert to moles with moles = grams/molar mass
    Then find the ratio of the elements to each other in small whole numbers with the smallest being 1.00.
    Post your work if you get stuck.
    93 g Na

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